/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:DELL
 * Date:2025-01-17
 * Time:23:52
 */
class Counter{
    public int count;
    synchronized public void increase(){
        count++;
    }
    public void increase2(){
        synchronized (this){
            count++;
        }
    }
    synchronized public static void increase3(){

    }
    public static void increase4(){
        synchronized (Counter.class){

        }
    }
}
public class Demo1 {
    public static void main(String[] args) throws InterruptedException {
        Counter counter=new Counter();
        Thread t1=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                counter.increase();
            }
        });
        Thread t2=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                counter.increase();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(counter.count);
    }
}
